Does the health department charge for blood work for pregnancy?

I was thinking of going to the health department to get blood work done to see if I am pregnant because I took a ept 2 days after my missed period and it siad negative. Do any of yall know if they charge to get blood work done and if they do about how mych would it be to get it done. I kind of need to find out as soon as next thursday because I have a dentist appointment and I get x-rays and I need to know so I can tell them that i’m pregnant

I’m not sure about the health department, but Planned Parenthood gives free pregnancy tests.